IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 569 - 577 of 929

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Question number: 569

» Polynomials

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MCQ▾

Question

If then the value of is ________.

Choices

Choice (4) Response

a.

b.

1

c.

d.

-1

Question number: 570

» Polynomials

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MCQ▾

Question

If , then the value of x is________.

Choices

Choice (4) Response

a.

2

b.

6

c.

4

d.

8

Question number: 571

» Polynomials

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MCQ▾

Question

and then x = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 572

» Everyday Mathematics

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MCQ▾

Question

The difference between a discount of on Rs. 1000 and two successive discounts of on the same amount is ________

Choices

Choice (4) Response

a.

Rs. 22

b.

Rs. 17.20

c.

Rs. 18.40

d.

Rs. 14.56

Question number: 573

» Polynomials

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 574

» Polynomials

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MCQ▾

Question

Find the remainder when is divided by .

Choices

Choice (4) Response

a.

3

b.

-3

c.

2

d.

-2

Question number: 575

» Statistics and Probability

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MCQ▾

Question

If the mean of 20 observations is 25 and that of another 5 observations is 14, then the mean of 25 observations is ________

Choices

Choice (4) Response

a.

15

b.

22

c.

22.8

d.

15.5

Question number: 576

» Polynomials

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MCQ▾

Question

If and , then value of is________.

Choices

Choice (4) Response

a.

1890

b.

1895

c.

1880

d.

1885

Question number: 577

» Everyday Mathematics

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MCQ▾

Question

A man purchases an blander whose printed price is Rs. 2200. If he received two successive discounts of and , he paid________

Choices

Choice (4) Response

a.

Rs. 1221

b.

Rs. 1232

c.

Rs. 1121

d.

Rs. 1132